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authorBjörn-Egil Dahlberg <[email protected]>2011-06-30 16:26:42 +0200
committerBjörn-Egil Dahlberg <[email protected]>2011-06-30 16:26:42 +0200
commit7092c4a41ac0d38ae457c2dc768aa542337d8b8c (patch)
tree8875db1e685b9d9f5182a742b1ab07e5535348dd /lib/erl_interface/src/connect
parentb467765e2bf4da509240a07968cfd5c51f615850 (diff)
parentf24cff95a791e6798bd72e74d3967c962e1c9094 (diff)
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Merge branch 'egil/ei-fix-buffer-alignment/OTP-9390' into dev
* egil/ei-fix-buffer-alignment/OTP-9390: Align ei buffer according to size of pointers
Diffstat (limited to 'lib/erl_interface/src/connect')
-rw-r--r--lib/erl_interface/src/connect/ei_resolve.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/erl_interface/src/connect/ei_resolve.c b/lib/erl_interface/src/connect/ei_resolve.c
index 50c5a4161d..ba8f8fbce3 100644
--- a/lib/erl_interface/src/connect/ei_resolve.c
+++ b/lib/erl_interface/src/connect/ei_resolve.c
@@ -185,7 +185,12 @@ static int verify_dns_configuration(void)
* align: increment buf until it is dword-aligned, reduce len by same amount.
* advance: increment buf by n bytes, reduce len by same amount .
*/
-#define align_buf(buf,len) for (;(((unsigned)buf)&0x3); (buf)++, len--)
+#if defined SIZEOF_VOID_P
+#define ALIGNBYTES (SIZEOF_VOID_P - 1)
+#else
+#define ALIGNBYTES (sizeof(void*) - 1)
+#endif
+#define align_buf(buf,len) for (;(((unsigned)buf) & ALIGNBYTES); (buf)++, len--)
#define advance_buf(buf,len,n) ((buf)+=(n),(len)-=(n))
/* "and now the tricky part..." */